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authorChristoph Hellwig <hch@infradead.org>2010-08-18 05:29:10 -0400
committerJens Axboe <jaxboe@fusionio.com>2010-09-10 12:35:38 +0200
commit2cf6d26a354ab6362e301b5a323832b02867df47 (patch)
treedcc84f3422df777baa85f54870cda613262e74ca
parentb372d360df6deaf79a58a02fa0cc0d7e0aa3e92f (diff)
block: pass gfp_mask and flags to sb_issue_discard
We'll need to get rid of the BLKDEV_IFL_BARRIER flag, and to facilitate that and to make the interface less confusing pass all flags explicitly. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
-rw-r--r--fs/ext4/mballoc.c3
-rw-r--r--fs/fat/fatent.c4
-rw-r--r--include/linux/blkdev.h11
3 files changed, 10 insertions, 8 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 4b4ad4b7ce5..df44b345f66 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2566,7 +2566,8 @@ static inline void ext4_issue_discard(struct super_block *sb,
discard_block = block + ext4_group_first_block_no(sb, block_group);
trace_ext4_discard_blocks(sb,
(unsigned long long) discard_block, count);
- ret = sb_issue_discard(sb, discard_block, count);
+ ret = sb_issue_discard(sb, discard_block, count, GFP_NOFS,
+ BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
if (ret == EOPNOTSUPP) {
ext4_warning(sb, "discard not supported, disabling");
clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD);
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 81184d3b75a..3a56a82f565 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -577,7 +577,9 @@ int fat_free_clusters(struct inode *inode, int cluster)
sb_issue_discard(sb,
fat_clus_to_blknr(sbi, first_cl),
- nr_clus * sbi->sec_per_clus);
+ nr_clus * sbi->sec_per_clus,
+ GFP_NOFS,
+ BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
first_cl = cluster;
}
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8ef705f800a..6b305eb4a34 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -881,13 +881,12 @@ extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
-static inline int sb_issue_discard(struct super_block *sb,
- sector_t block, sector_t nr_blocks)
+static inline int sb_issue_discard(struct super_block *sb, sector_t block,
+ sector_t nr_blocks, gfp_t gfp_mask, unsigned long flags)
{
- block <<= (sb->s_blocksize_bits - 9);
- nr_blocks <<= (sb->s_blocksize_bits - 9);
- return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_NOFS,
- BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+ return blkdev_issue_discard(sb->s_bdev, block << (sb->s_blocksize_bits - 9),
+ nr_blocks << (sb->s_blocksize_bits - 9),
+ gfp_mask, flags);
}
extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);